






⚙️ Upgrade your GM 8.5" differential with confidence and precision!
The USA Standard Gear Yukon ZKGM8.5-HD Master Overhaul Kit is a comprehensive, high-quality repair solution for GM 8.5" differentials. Featuring premium Koyo bearings, a complete shim kit, and engineered components that exceed OEM standards, this kit ensures durability, precision fit, and reliable performance for professional-grade differential rebuilds.








| ASIN | B00GWLLOHO |
| Best Sellers Rank | #13,803 in Automotive ( See Top 100 in Automotive ) #2 in Automotive Replacement Differential Assembly Kits |
| Brand | USA Standard Gear |
| Customer Reviews | 4.4 4.4 out of 5 stars (2,722) |
| Date First Available | February 13, 2012 |
| Exterior | Machined |
| Is Discontinued By Manufacturer | No |
| Item Weight | 5.9 pounds |
| Item model number | ZK GM8.5-HD |
| Manufacturer | USA Standard Gear |
| Manufacturer Part Number | ZK GM8.5-HD |
| Model | ZKGM8.5-HD Master Overhaul Kit for GM 8.5" Differential |
| OEM Part Number | ZKGM8.5HD |
| Product Dimensions | 12 x 12 x 3 inches |
| Special Features | Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), This kit uses Koyo bearings and races, USA Standard Master Overhaul kits let you finish your install with confidence |
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